Double-triode 6N2P-EV / 6H2Pi-EB
NOS russian made
Ruggedized long-life (> 5,000 h) version "EV", cyrillic "EB"
The 6N2P is the same system of 12AX7 / ECC83 but with filament connection on Pin 4+5 only. Rewiring of filament is required for use in the place of 12AX7 and voltage must be 6,3V and not 12,6V.
